Earthquake with magnitude of ML 1.8 on date 29-07-2022 and time 01:13:58 (Italy) in region 4 km SE Rocca San Casciano (FC)

A magnitude ML 1.8 earthquake occured in region: 4 km SE Rocca San Casciano (FC), on

  • 28-07-2022 23:13:58 (UTC)
  • 29-07-2022 01:13:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0320, 11.8680 at 9 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Rocca San Casciano FC 4 1910 1910
Galeata FC 5 2516 4426
Civitella di Romagna FC 6 3786 8212
Portico e San Benedetto FC 7 756 8968
Premilcuore FC 10 799 9767
Santa Sofia FC 10 4136 13903
Dovadola FC 10 1653 15556
Tredozio FC 11 1212 16768
Predappio FC 12 6346 23114
Modigliana FC 15 4560 27674
Castrocaro Terme e Terra del Sole FC 17 6426 34100
Meldola FC 19 9970 44070

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SW of Forlì (117913 inhabitants)
28 Km S of Faenza (58541 inhabitants)
32 Km W of Cesena (96758 inhabitants)
38 Km SE of Imola (69797 inhabitants)
50 Km SW of Ravenna (159116 inhabitants)
56 Km W of Rimini (147750 inhabitants)
57 Km NE of Firenze (382808 inhabitants)
63 Km E of Scandicci (50609 inhabitants)
63 Km N of Arezzo (99543 inhabitants)
64 Km E of Prato (191150 inhabitants)
66 Km SE of Bologna (386663 inhabitants)
77 Km E of Pistoia (90315 inhabitants)
85 Km W of Pesaro (94582 inhabitants)
90 Km NE of Siena (53903 inhabitants)
92 Km S of Ferrara (133155 inhabitants)
95 Km W of Fano (60888 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 1.8 2022-07-28
23:13:58
44.0322 11.8675 9 2023-01-31
19:03:47
Bollettino Sismico Italiano INGV 109962651
Reviewed
Rev100
ML 1.9 2022-07-28
23:13:58
44.0342 11.8667 10 2022-07-28
23:25:23
Sala Sismica INGV-Roma 107816321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-28 23:13:58 ± 0.12
Latitude 44.0322 ± 0.0054
Longitude 11.8675 ± 0.0088
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 109962651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 812
Semi-minor axis of confidence ellipse (meter) 350
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 55
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.49553
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 28
Type of magnitude ML
Reference to an origin 109962651
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-21 13:00:31

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 107816321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-28 23:25:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSP9.EHZ. 2022-07-28T23:14:16.58 0.3 undecidable manual S 157 55.0005 50 0.72 58
IV.PARC.HHZ. 2022-07-28T23:14:15.20 0.3 undecidable manual S 145 51.9036 50 0.19 68
IV.CAFI.HHZ. 2022-07-28T23:14:13.17 3.0 negative manual P 0.9 0
IV.CRE.HHZ. 2022-07-28T23:14:13.54 0.3 undecidable manual S 172 46.3203 50 0 71
IV.BOSL.HHE. 2022-07-28T23:14:12.42 0.3 undecidable manual S 254 40.9257 50 0.33 67
IV.SEI.HHZ. 2022-07-28T23:14:12.24 0.3 undecidable manual S 274 40.626 50 0.22 69
IV.VISG.HHZ. 2022-07-28T23:14:11.87 0.6 undecidable manual S 297 38.628 50 0.38 45
IV.NARO.HHZ. 2022-07-28T23:14:11.14 3.0 negative manual P -0.5 0
IV.RUFI.EHZ. 2022-07-28T23:14:10.79 0.6 undecidable manual S 233 35.8419 50 0.06 48
IV.SSP9.EHZ. 2022-07-28T23:14:08.35 1.0 undecidable manual P 157 55.0005 50 -0.03 23
IV.MTRZ.HNN. 2022-07-28T23:14:08.07 0.6 undecidable manual P 312 47.0196 50 0.92 36
IV.PARC.HHZ. 2022-07-28T23:14:07.48 0.3 undecidable manual P 145 51.9036 50 -0.42 65
IV.BRIS.HHZ. 2022-07-28T23:14:07.26 0.3 undecidable manual S 339 22.8549 111 0.62 64
IV.CPGN.EHZ. 2022-07-28T23:14:06.68 3.0 undecidable manual P 0.14 0
IV.CRE.HHZ. 2022-07-28T23:14:06.87 0.3 undecidable manual P 172 46.3203 50 -0.17 69
IV.IMOL.HNE. 2022-07-28T23:14:05.16 0.3 undecidable manual P 345 37.629 50 -0.55 64
IV.BOSL.HHE. 2022-07-28T23:14:05.93 0.3 undecidable manual P 254 40.9257 50 -0.28 68
IV.BRSN.EHE. 2022-07-28T23:14:05.08 0.3 undecidable manual P 31 32.745 50 0.14 71
IV.VISG.HHZ. 2022-07-28T23:14:05.31 0.3 undecidable manual P 297 38.628 50 -0.55 64
IV.SEI.HHZ. 2022-07-28T23:14:05.91 0.3 undecidable manual P 274 40.626 50 -0.26 68
IV.RUFI.EHZ. 2022-07-28T23:14:04.98 0.1 positive manual P 233 35.8419 50 -0.44 88
IV.SFI.EHZ. 2022-07-28T23:14:04.32 0.6 undecidable manual S 187 14.1747 121 0.38 46
IV.LMD.HHZ. 2022-07-28T23:14:03.91 0.3 undecidable manual S 292 13.7751 122 0.1 74
IV.BRIS.HHZ. 2022-07-28T23:14:03.04 0.1 positive manual P 339 22.8549 111 -0.02 99
IV.LMD.HHZ. 2022-07-28T23:14:01.15 0.1 positive manual P 292 13.7751 122 -0.27 95
IV.SFI.EHZ. 2022-07-28T23:14:01.48 0.1 positive manual P 187 14.1747 121 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.HNE. ML:2.2 0.0017174105000000001 0.2432 AML other m 2022-07-28T23:14:04.54
IV.SFI.EHE. ML:2.2 0.001717078 0.2688 AML other m 2022-07-28T23:14:04.56
IV.LMD.HHE. ML:2.2 0.00163 0.2 AML other m 2022-07-28T23:14:04.62
IV.LMD.HHN. ML:2.1 0.0013136715 0.256 AML other m 2022-07-28T23:14:04.56
IV.SFI.HNN. ML:2.3 0.001945 0.34 AML other m 2022-07-28T23:14:04.50
IV.SFI.EHN. ML:2.3 0.001955 0.32 AML other m 2022-07-28T23:14:04.51
IV.BRIS.HHE. ML:1.8 0.0004633589 0.256 AML other m 2022-07-28T23:14:07.56
IV.BRIS.HNE. ML:2.3 0.0012044953 0.2944 AML other m 2022-07-28T23:14:07.58
IV.BRIS.HHN. ML:1.9 0.0005 0.42 AML other m 2022-07-28T23:14:07.61
IV.BRIS.HNN. ML:2.2 0.00104370465 0.3072 AML other m 2022-07-28T23:14:07.63
IV.RUFI.EHN. ML:2.1 0.0005025408500000001 1.7184 AML other m 2022-07-28T23:14:11.96
IV.RUFI.EHE. ML:1.7 0.00021525555 0.448 AML other m 2022-07-28T23:14:11.12
IV.VISG.HHN. ML:1.2 0.000053098615 0.2816 AML other m 2022-07-28T23:14:13.58
IV.VISG.HHE. ML:1.1 0.00004447083 0.2048 AML other m 2022-07-28T23:14:13.80
IV.CRE.HHN. ML:1.9 0.000224 0.44 AML other m 2022-07-28T23:14:14.23
IV.CRE.HHE. ML:1.7 0.000151 1.42 AML other m 2022-07-28T23:14:14.73
IV.PARC.HHE. ML:1.3 0.000056800000000000005 0.3 AML other m 2022-07-28T23:14:17.21
IV.SSP9.EHN. ML:1.4 0.00006458672 0.5504 AML other m 2022-07-28T23:14:17.29
IV.SEI.HHN. ML:2.1 0.000407 0.5 AML other m 2022-07-28T23:14:17.11
IV.SEI.HHE. ML:1.8 0.0002417475 0.32 AML other m 2022-07-28T23:14:17.53
IV.PARC.HHN. ML:1.3 0.000046574069999999996 0.3328 AML other m 2022-07-28T23:14:17.96
IV.CAFI.HNE. ML:1.6 0.000057821745 1.424 AML other m 2022-07-28T23:14:25.00
IV.CAFI.HHE. ML:1.6 0.0000608 0.6 AML other m 2022-07-28T23:14:26.02
IV.NARO.HHN. ML:1.0 0.00001695269 0.1792 AML other m 2022-07-28T23:14:26.65
IV.CAFI.HNN. ML:1.5 0.000043236795 1.168 AML other m 2022-07-28T23:14:26.06
IV.NARO.HHE. ML:1.0 0.0000153632145 0.256 AML other m 2022-07-28T23:14:27.14
IV.SSP9.EHE. ML:1.4 0.00005496616 1.4976 AML other m 2022-07-28T23:14:28.00
IV.CAFI.HHN. ML:1.4 0.000035250665 0.6656 AML other m 2022-07-28T23:14:28.61
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download